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Transmission principle of bench drilling machine

2021-12-10 09:32:27
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Drilling machine is a commonly used hole processing machine tool for fitters, which can drill, ream, spot facer, ream, tap thread, etc. the types of drilling machines include bench drilling machine, vertical drilling machine, rocker drilling machine, etc. drilling machine motion: main motion - rotating motion of spindle; Feed movement - the up and down axial movement of the spindle.


Transmission principle of bench drilling machine

1. Main motion: motor → driving pulley → V-belt → driven pulley → main shaft. Feed movement: feed handle → gear → rack → spindle.

2. Lifting adjustment of bench drilling machine: loosen the locking handle → shake the lifting handle → realize lifting.

3. Application features: simple structure and convenient operation. The diameter of drilling and reaming is less than 12mm.

4. Electrical control switch: Green switch → start, red switch → stop.

5. Maintenance of drilling machine: 1) keep it clean; 2) Parking speed change; 3) Avoid drilling the worktable.

6. Main technical specifications: 1) Z large borehole diameter ¢ 12mm; 2) Main shaft Z large stroke 100mm; 3) Spindle taper Morse 2 short type; 4) The spindle speed is 480 ~ 4100 R / min (divided into 5 stages).


Accessories of bench drilling machine

1. Drill chuck: hold the straight shank drill bit within 13mm and use it with chuck spoon.

2. Drill bit sleeve: clamp the taper shank drill bit with a diameter of more than 13mm, and there are No. 1 ~ 5 Morse drill sleeves.


Safety knowledge of bench drilling machine

1. Gloves are not allowed, school cards are drilled, and the cuffs of clothes must be tied tightly.

2. Before starting the drilling machine, check whether there is a drill chuck key or inclined iron inserted on the drill shaft.

3. When drilling, do not pull or blow chips with your mouth.

4. When changing speed, it must be adjusted after stopping.

5. It is forbidden to assemble, disassemble and test the workpiece when the spindle is rotating.

6. When cleaning the drilling machine or adding lubricating oil, the power supply must be cut off.

7. the workpiece must be clamped, and the awesome force should be reduced when drilling holes.


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